<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<button>测试按钮</button>
	</body>
	<script type="text/javascript">
		var xhr = new XMLHttpRequest();
		// 访问http-proxy-middleware代理服务器
		xhr.open('get', 'http://192.168.1.20:3000/test', true);
		xhr.send();
	</script>
</html>
